Combined exhaust and inflating nozzle for pneumatic tires.



B. H. HENEM|ER. COMBINED EXHAUST AND INFLATING Noz`zLE FOR PNEUMATICTIRES.

APPLICATION FILED JULY 23.19I4.

Patented Oct. 16, 1917.

stradine narran@ onirica;

BGBERT :EL HENEMIER, 0F NEW YORK, N. Y., ASSIGNGR TO A. SCHRADERS SON,INCORPORATED, F BROOKLYN, NEW YORK, A CORPORATIONOF NEW YORK.

CUMBINED EXHAUST ANDINFLATING NOZZLE FOR`PNEUMATIC TIRES.

Specification of Letters Patent.

Patented @ou 316, lll'.

Application :filed July 23, 3.914. Serial No. 852,567.

To aZZ whom t 'may concern.'

Be it known that l, ROBERT H. HENEMIER, a citizen of the United States,and residing at New `York, in the county of New York and State of NewYork, have invented certain new and useful Improvements in CombinedExhaust and lnating Nozzles for Pneumatic Tires, of which the followingis a specification, such as will enable those skilled in the art towhich it appertains to make and use the same.

This invention relates to pressure exhaust devices, and inflatingdevices for pneumatic tires, and the object thereof is to provide animproved combination device of this class through which a tire may beinflated whenever desired and which will also automatically operate asan exhaust device to relieve any over-pressure in the tire whenever suchpressure rises beyond a pre-determined point from any cause.

The invention is fully disclosed in the following specification of whichthe accompanying drawing forms a part, in which the separate parts of myimprovement are designated by suitable reference characters in each ofthe views, and in which Figure l is a sectional'view of my im-y provedcombination exhaust valve device and iniiating nozzle device and showingthe same applied Fig. 2 a view similar to Fig. 1 but showing the partsin a'diferent position Fig. 3 a side view of the device detached andlooking in the direction of the arrow 3 of Fig. l.

l Fig. 4f a section on the line 4 4 or Fig. l.

Fig.5 a bottom plan view of the device as shown in Fig. 3.

Fig. 6 a view. similar to Fig. l but showing only the air valve inatingdevice detached and showing the same on an enlarged scale, and;-

Fig. 7 a view similar to Fig. l but `showing only the adjusting devicefor the exhaust valve and showing the same on anenlarged scale.

In the drawing forming part of this speciiication, I have shown at a apart of the rim ot a wheel of an automobile or'similar vehicle, and at 5a part of the inner or inflatable tube. of a pneumatic tire, and inconnection therewith I have shown at c my improved combination pressureexhaust device and inating nozzle, for the tire.

In the construction of this device, l provide a tubular barrel or casingZ which is adapted to be connected with the iniiatable tube o and to bepassed inwardly through the rim a and to be secured therein. The barrelor casing CZ is provided at its inner end with an annular flange or headZ2 and' space cZt, in which is placed a packing ring or gasket e3.

The inner end of the Casing Z is provided with a single tubular passagef and the body portion of said casing is provided with two parallelindependent bores or passagesv f2 and f3 which communicate with thetubular passage f and the bores or passages f2 and f3 open through theouter end of said Acasing and are closed by the cap Z5 when the deviceis in use, and the bore or passage f2 is the exhaust bore or passagewhile, the bore or passage f3 is the inlating bore or passage.

Placed'in the bore or passage f2 isa cylindrical exhaust valve g whichis adapted to open and close an exhaust port f4 in the tubular casing d,adjacent to the rim a of the wheel, and in the outer end of the bore orpassage f2 is placed an exhaust valve control device ZL which is showndetached in Fig. 7 and between which and the exhaust valve g is placeda' spiral spring g2.

rIheexhaust valve control device ZL comprises a central screw member h2having an inner tubular threaded head or sleeve 71,3 which is screwedthereonto, and the outer end of the screw member h2 is provided with aloose sleeve head if which is threaded on its outer side and adapted tobe screwed l into the exhaust bore or passage f2 and said sleeve i# isprovided with a transverse recess L5 whereby an ordinary screw driver orSpanner may be used in connection therewith, and the screw member h2 isprovided 'with a collar h6 on which the sleeve h4 bears.

At the inner end of the exhaust valve g, the exhaust bore or passage f2is provided with an annular packing g3 and the outer end or head portional of the screvv member is provided with a transverse recess a8? andvvhen these parts have been assembled.

Aangles to the section in F ig. l, and this device comprises a tube 2provided at its outer end with a tubular and threaded head a having atransverse recess i* to receive the edge of a screw driver or a similarinstrument.. The tube 2 is provided in its opposite sides Withlongitudinal slots and in the inner endV thereof is secured a tubularplug G forming a port or passage 7, and placed in the tube i2 andbearing on the plug -z'G is a spiral spring 5.

Freely movable through the head 3 of the tube i2 is a valve pin j on theinner portion of which is secured a valve jz on which is placed apacking js, and the outer end portion of the spring s bears on the valvejg and normally holds it in position to close the tubular bore orpassage 9 through the head 3, and said head 3 is alsoVV provided With anannular packing jt Which is Fitted in a corresponding groove in theinner end V portion of said head.

The outer end of the tubular bore or passage f3 is threaded, and inassembling these parts the tube 2 of the iniiating valve device isinserted into said bore or passage f3 and the head 3 of the valve devicez' is screwed into said bore or passage until it is counter-sunk thereinas clearly shown in Fig. l after Which the cap (Z5 is screived on to thetubular casing c.

In the normal position of the parts7 the valve pin j projects slightlyabove or beyond the head i3 of the inlating valve device as clearlyshown in Figs. l, 2, and 6, and in the operation of intlating the tirethe cap Z5 is removed and an ordinary intlating tube inserted into theouter end of the bore or passage f3 and this operation forces the valvej2 inwardly7 and the air passes through the head s into the tubular body2 of the valve device i, and out through the slots 5 around the valve jzand then back through ,c

said slots into the tubular part and through the port or passage 2'? andin through the tubular bore or passage f3 and the port or passage f intothe tire.

From the foregoing description it Will be seen that the exhaust pressureregulator may be adjusted to Work, or be operated by any pre-determinedpressure Within the tire rellenar by simply turning the screvv member7a2 as this operation Will ino-ve the sleeve head 7a3 toward or awayfrom the spring g2 according to the direction in Which the scren7 memberh2 is turned, and Whenever pressure in the tire reaches a predeterminedpoint the exhaust valve g Will be forced outwardly as shoivn in Fig. 2$and the over-pressure Within the tire Will be exhaust-ed through port orpassage ft, and the operation of iniiating the tire will be readilyunderstood from the foregoing description.

rlhe aWorking parts of my improvement7 as Well as the tubular case (lare all made of material that Will not corrode or rust and the device ispractically indestructible, and the cap Z5 protects and guards the outerend parts of the device when in use, and said cap may be detached forthe purpose herein specified Whenever necessary, and the entire devicecomplete and ready for use may be applied to any rim and tireconstruction in the usual manner-.and Without in any Way changing thesaine.

rlhe packings at g3, j? and jt may be renewed at any time and the otheroperative parts of the device are practically indestructible,` and theseparate parts may be disconnected for cleaning or other purposes if atany time such operation should be deemed necessary7 and While l haveshoivn and described the preferred form and construction of the variousparts of my improvement, my invention is not limited thereto, andchanges therein and modifications thereof may be made, Within the scopeof the appended claims Without departing from the spirit of my inventionor sacrifie# ing its advantages.

My improved combination pressure eX- haust, and inlating device, may beconnected with the tube b by the manufacturer or it may be connectedwith said tube'by anyone at any time, and in this operation, the flangeor head d2, is forced inwardly through a corresponding aperture in saidtube which is of less dimensions than the flange or head Z4 but Whichmay be expanded to permit of this operation. After the barrel or casinghas been connected With the tube Z9, the nut e is screwed down on thepacking or gasket e2 and after the barrel or casing whaust duct, anoutwardly yielding valve for thereof,

the exhaust duct having an annular edge f. portion engaging with theseal, a spring in,

the exhaust duct bearing on the Valve therein, an expansible memberengaging the spring, said expansible member having a longitudinallystationary vhead arranged wholly Within 4the duct adjacent the lmouth aholding shoulder therein, a sleeve threaded thereon and a sleevelthreaded in the mouth of the exhaust duct and abutting the shoulder toretain the expansible member Within the duct.

2. A combined inflating and exhaust valve for pneumatic tirescompri-sing a stem member adapted to be secured to a tire, said stemhaving an inlet duct, a valve for the inlet duct, an exhaust duct in thestem, an outwardly yielding valve for the exhaust duct, a spring in theexhaust duet bearing on the valve therein, an expansible member engagingthe spring, said expansible member having a longitudinally stationaryhead arranged wholly within the duct adjacent the mouth thereof, saidhead being provided with means to be engaged by a tool and a securingsleeve threaded in the mouth of the exhaust duct and engaging theexpansible member to retain the later Within the duct.

3. A tire valve for pneumatic tires comprising a stem member, said stemhaving an exhaust duct, yielding valve for the exhaust duct, a spring inthe exhaust duct bearing on the valve therein, an expansible bearingmember for said spring, said expansible member having a longitudinallystationary head arranged Wholly Within the duet adjacent the mouththereof, said head being provided with means 'to be engaged `by amanipulating' tool and a securing sleeve threaded in the mouth of theexhaust duct and engaging the expansible member to retain the latterwithin the duct.

iIn testimony that I claim the foregoing asiny invention l have signedmy name in presence of the subscribing Witnesses this 21st day ofJuly,1914.

` ROBERT H. HENEMlER. vWitnesses C. MULREANY, E. CHESTER.

